56440124

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{20479}}^1$

素因数の和:20549

約数の個数: 24

約数和(自身を含む): 108380160

約数和(自身を除く): 51940036

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 212, 689, 1378, 2756, 20479, 40958, 81916, 266227, 532454, 1064908, 1085387, 2170774, 4341548, 14110031, 28220062, 56440124]

約数ペア:

[(1, 56440124), (2, 28220062), (4, 14110031), (13, 4341548), (26, 2170774), (52, 1085387), (53, 1064908), (106, 532454), (212, 266227), (689, 81916), (1378, 40958), (2756, 20479)]